Finding the Fourth Proportional to 2,613,637.12, 3,920,444.74 and 1,017,313.44
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Solution
The fourth proportional to 2,613,637.12, 3,920,444.74 and 1,017,313.44 is: 1,525,965.90
Step by Step Solution
- Step 1: Write the proportion equation
2,613,637.12 : 3,920,444.74 = 1,017,313.44 : x - Step 2: Convert to fraction form
2,613,637.12/3,920,444.74 = 1,017,313.44/x - Step 3: Cross multiply
2,613,637.12x = 3,920,444.74 × 1,017,313.44 - Step 4: Simplify right side
2,613,637.12x = 3,988,321,124,779.31 - Step 5: Solve for x
x = 3,988,321,124,779.31/2,613,637.12 - Step 6: Final answer
x = 1,525,965.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.